HP 3336A - Page 43

Operation
Bus Message
Data
Trigger
Clear
Remote
Local
Local Lockout
Clear Lockout/
Set Local
Pass Control
Seria! Poll
(Status Byte)
Abort 1/0
Require Service
Table 3-1. Bus Message Implementation Table.
Select Code
Device
Listen
Talk
Description
Output text and variables to single
devices.
Output single characters.
Input data from a device.
Input single characters.
Specify addresses and send data in
ASCH form.
Output data to multiple listeners.
Output data to multiple listeners.
Transfer data from device to device.
Send a ‘’Group Execute Trigger’’ to
all devices.
Send a ‘‘Group Execute Trigger’’ to
selected devices.
Clear ali devices.
Clear selected devices.
Enable remote mode on all devices.
Device will remote when addressed.
Set remote on selected devices.
Return selected device to front
panel control.
Prevent all devices from returning to
focal mode.
Set local mode and disable local
lockout on all devices.
Transfer bus management to
another controller.
Input the Status Byte of a selected
device.
Clear all bus operations and return
the bus management to the system
controller.
Request Service from the controller.
Controller
instrument #1
Model 3336A/B/C
Instrument #2
Sample Implementation
yes
yes
yes
yes
yes
yes
yes
yes
no
no
yes
yes
yes
yes
yes
yes
yes
yes
Normally originates from the device.
yes
no
*
yes
*Controllers can send the Requires Service message, however, normally this message originates from the device. The -hp- 3336 can send this message. It will not res-
pond to a service request from another device or controller.
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